. Introduction to botany. Botany. THE SEED PLANTS 285 cells (the strengtheninc/ cells). Other parts of the leaf are the stomata, which are deeplj- placed ui the epidermis and are often so clogged with dust that they are quite dark in appearance;. -set Fig. 221. Part of a cross section of a pine leaf Tlie epidermis (ep), upon which is a layer of cuticle; a layer of heavy-walled cells, or sclerenchyma (scT); stomata with deeply placed guard cells (st); chlorophyll- bearing tissue (chT); resin ducts, or channels (rd); hundle sheath (bsh), which in- closes two vascular bundles (vb). Greatly magnif
. Introduction to botany. Botany. THE SEED PLANTS 285 cells (the strengtheninc/ cells). Other parts of the leaf are the stomata, which are deeplj- placed ui the epidermis and are often so clogged with dust that they are quite dark in appearance;. -set Fig. 221. Part of a cross section of a pine leaf Tlie epidermis (ep), upon which is a layer of cuticle; a layer of heavy-walled cells, or sclerenchyma (scT); stomata with deeply placed guard cells (st); chlorophyll- bearing tissue (chT); resin ducts, or channels (rd); hundle sheath (bsh), which in- closes two vascular bundles (vb). Greatly magnified the chlorophyll tissue, through which run the resin ducts; the fith region, through which run two groups of fibrovascxdar bundles, but one of which is shown m the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bergen, Joseph Y. (Joseph Young), 1851-1917; Caldwell, Otis William, 1869- joint author. Boston, New York, [etc. ] Ginn and company
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